Black Jack Waterproofing and Seam Tape is a versatile and easy to use repair material for residential, commercial and industrial applications. Ideal for use on roofs, gutters, skylights, windows, doors, flashings, walls, foundations and many other surfaces, Black Jack Waterproofing & Seam Tape seals immediately. This repair material adheres to almost anything including metal, wood, fiberglass, plastic, HVAC, structural concrete, concrete block, brick, smooth BUR, smooth SBS, smooth APP, EPDM, TPO, Hypalon and PVC surfaces. Black Jack Waterproofing & Seam Tape is easy to apply, forms an incredibly tough and durable repair and will provide a lifetime of dependability.